网图下载

package com.wang.multiThread;

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;
import java.net.URL;

//练习Thread，实现多线程同步下载图片
public class TestThread2 extends Thread {
    private String url;//网络图片地址
    private String name;//保存的文件名

    public TestThread2(String url, String name) {
        this.url = url;
        this.name = name;
    }

    //下载图片线程的执行体
    @Override
    public void run() {
        WebDownloader webDownloader = new WebDownloader();
        webDownloader.downloader(url, name);
        System.out.println("下载了文件名为：" + name);
    }

    public static void main(String[] args) {
        TestThread2 t1 = new TestThread2("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg12.360buyimg.com%2Fn2%2Fjfs%2Ft16657%2F184%2F2048108479%2F409928%2Fa7f806cf%2F5ae2ce54Ncdcf8bcd.jpg&refer=http%3A%2F%2Fimg12.360buyimg.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1646466401&t=0bcc5a77aa3cefd8335e4395ba59c753", "1.jpg");
        TestThread2 t2 = new TestThread2("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg12.360buyimg.com%2Fn2%2Fjfs%2Ft16657%2F184%2F2048108479%2F409928%2Fa7f806cf%2F5ae2ce54Ncdcf8bcd.jpg&refer=http%3A%2F%2Fimg12.360buyimg.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1646466401&t=0bcc5a77aa3cefd8335e4395ba59c753", "2.jpg");
        TestThread2 t3 = new TestThread2("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg12.360buyimg.com%2Fn2%2Fjfs%2Ft16657%2F184%2F2048108479%2F409928%2Fa7f806cf%2F5ae2ce54Ncdcf8bcd.jpg&refer=http%3A%2F%2Fimg12.360buyimg.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1646466401&t=0bcc5a77aa3cefd8335e4395ba59c753", "3.jpg");

        t1.start();
        t2.start();
        t3.start();
    }
}

//下载器
class WebDownloader {
    //下载方法
    public void downloader(String url, String name) {
        try {
            FileUtils.copyURLToFile(new URL(url), new File(name));
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("IO异常，downloader方法出现问题");
        }
    }
}